Yam or Sweet Potato Casserole

Mix: 3 cups of mashed sweet potatoes or yams
1/2 cup evaporated milk
1/2 cup real butter, melted
3/4 cup sugar
1/2 tsp. salt
2 beaten eggs
1/2 tsp. vanilla

Topping:
1 cup brown sugar
1/3 cup of flour
3 Tbsp. melted butter
1 cup coconut
1/2 cup chopped walnuts or pecans

Bake at 350 degrees for 35 minutes